Job XX has completed at a total production cost of $3,633. Administration and selling overheads are applied at 20% of production cost. The selling price of each job is established so as to provide a GROSS profit margin of 30%. What is the selling price of job XX? (a) $4,723 (b) $5,190 (c) $5,668 (d) $6,228 By solving this question my answer is option c but correct answer is option b.